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Hello, Zapier Community!

I’m encountering an issue with the Facebook Conversion Events integration in Zapier. When trying to send conversion events, I receive an "Unknown Error" response along with a warning about using a deprecated version of the Ads API.

Error Details:

  • Error Message: "An unknown error has occurred" (OAuthException: code 1).
  • Warning: "You are calling a deprecated version of the Ads API."
  • Status Code: 500 (Internal Server Error).
  • URL Path: The request URL shows as https://undefined/v18.0/{ad_account_id}/events?access_token={access_token}, where the base URL is listed as undefined.

Actions Taken:

  • I’ve confirmed that the Ad Account ID and Event Data are correctly filled in the Zapier action.
  • I’ve disconnected and reconnected my Facebook Ads account in Zapier to ensure the access token is up-to-date.
  • I’ve checked the Facebook Events Manager to ensure that the event source and settings are correctly configured.
  • I’ve tested the Zap multiple times, but the error persists.

I’m wondering if the deprecated Ads API version might be causing the issue. Has anyone experienced something similar or found a solution?

Any help or advice would be greatly appreciated!

Thank you!

 

Hi ​@Kdata,

You should make sure you are using the most recent version of the app. I noticed that some Zaps are using an older version, which could be contributing to the error message.

 

6d6fe12c160baaadcef1758cd960ca90.png
(view larger)

Once that has been updated, publish the change to your Zap and replay the runs manually.

https://zapier.com/help/manage/history/replay-failed-zap-runs#manually-replay-failed-zap-runs

Let us know if you are still getting the errors after the update.

Shane T - Zapier Support
 

Reply


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